複選題121. Which of the following are standard address abbreviations? (A)Blvd. (B)Ave. (C)Sec. (D)Ref. 。

110. 下列書信內容屬何種函件？"While appreciating the attractive design ofyour high-rise bicycles, we suggest you make some allowance. A 10%reduction would facilitate the transaction and help introduce your goodsto the rapidly growing market here." (A)inquiry (B)offer (C)counter-offer (D)sales 。